Fig. 1From: Influence of margin design and restorative material on the stress distribution of endocrowns: a 3D finite element analysisFinite element models of endodontically treated mandibular molar restored with endocrown using four margin designs. A Flat butt joint margin. B A 20° bevel margin. C An axial reduction and 1 mm shoulder margin. D Anatomic occlusal preparation marginBack to article page